Lasco 10-2117 Water Supply Flex Braided Vinyl 3/8-Inch Female Compression X 1/2-Inch Female Iron Pipe X 16-Inch. 3/8-Inch compression x 1/2-Inch female iron pipe x 16-Inch . Braided vinyl supply. Use to connect most faucets to water source. Lead free product. meets California AB-1953. Vermont. and new federal standards for low lead applications. Uniform Plumbing Code (UPC) certified and approved - Industry standard ensuring product quality and safety.